Dichloromethane - 24233
Code: 24233
Dichloromethane
Puriss., meets analytical specification of Ph. Eur., NF, ≥99% (GC)
Methylene Chloride, DCM
meets analytical specification of Ph. Eur., BP, NF, 99-99.4% (GC)
CAS Number: 75-09-2
Linear Formula: CH2Cl2
Molar Mass: 84.93 g/mol
Beilstein Registry Number: 1730800
EC Number: 200-838-9
MDL Number: MFCD00000881
| Property |
Value |
| Assay (GC) |
min. 99.0 % |
| Density (D 20/20) |
1.320 - 1.330 |
| Density (D 25/25) |
1.318 - 1.322 |
| Refractive index (n 20/D) |
1.423 - 1.425 |
| Non-volatile matter |
max. 20 ppm |
| Water (Karl Fischer) |
max. 0.02 % |
| Free acid (as HCl) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 1 ppm |
| Chloride (Cl) |
max. 0.0003 % |
| Free chlorine (Cl) |
max. 0.0001 % |
| Free chlorine |
complying |
| Reaction against H2SO4 |
complying |
| Ethanol (GC) |
max. 0.01 Vol.% |
| Methanol (GC) |
max. 0.02 Vol.% |
| 2-methyl-2-buten (GC) |
10 - 60 Vol.ppm |
| Tetrachlorocarbon (GC) |
max. 10 Vol.ppm |
| CHCl3 (GC) |
max. 50 Vol.ppm |
| Ethanol, 2-Methylbut-2-en + Volatile Impurities |
complying |
| Impurities (GC) total without stabilizer |
max. 0.1 Vol.% |
| Residual solvents |
complying |
| Appearance of the substance |
complying |
| Identity (IR) |
complying |
| Property |
Value |
| Vapor Pressure |
6.83 psi ( 20 °C) |
| Vapor Density |
2.9 (vs air) |
| Autoignition Temperature |
1223 °F |
| Refractive Index |
n20/D 1.423-1.425 |
| Explosion Limit |
22 % |
| Contains |
~25 mg/L amylene as stabilizer |
| Boiling point |
39 - 41 °C |
| Freezing point |
-97 °C |
| Density |
1.32 - 1.33 g/cm3 |